standards
standards


Author Comment Last activity Moderation
jhonbrandi "A lab chemical can include a reference standard, a laboratory reagent, etc. There is an extremely high value attached to these chemicals, and they ..." | Read more » almost 2 years ago
mogenshelluk "Hi Dear! Using the USP as a starting point is a good idea. Depending on your needs, you can either choose NIST, primary standard, or other grades. ..." | Read more » about 2 years ago
Rehan "@Ag8n @Salman21 Thanks to both of you for your support. " | Read more » over 2 years ago
liz "Hi @Rehan , the "we" refers to Public Lab contributors because we are an open source community. " | Read more » over 2 years ago
Salman21 "Agreed with @Ag8n for the USP as a good starting point. Furthermore, ICH Q7 guidelines would be a great starting point as well. Read "How to Handle..." | Read more » over 2 years ago
Rehan "@Ag8n Thank you for the information. No, I don't know yet which reagent will be used in the project. Anyway, what do mean by "we". " | Read more » over 2 years ago
Ag8n "The USP is a good starting point. You have to choose between NIST, primary standard, and other grades. Do you know what reagents you will be using..." | Read more » over 2 years ago
seankmcginnis "This is an interesting model from the International Hydrographic Organization (IHO) for collecting bathymetry data. They have established standards..." | Read more » over 3 years ago
peralatanlab "Great discussion! " | Read more » over 3 years ago
jjcreedon "Yes, I might add that our soil sampling toolkit and instructions were developed to meet EPA procedures and protocols. " | Read more » over 3 years ago
Ag8n "While inexpensive tests will always be the need ( as in test strips) the group should transition to more sophisticated tests, as possible. This wo..." | Read more » over 3 years ago
Ag8n "A mess up on my part. "How trace depends on the grade of DEHP they bought" should read "How trace depends on the grade of TOTM they bought.". My bad " | Read more » over 3 years ago
Ag8n "On your note on phthalates- a question. Were you talking about bis 2ethyl,hexyl phthalate (DEHP) or bis n-octylphthalate (DnOP)? A lot of medica..." | Read more » over 3 years ago
bhamster "Thanks for outlining these additional considerations @fongvania! For context, this question came from a community member during a public event for..." | Read more » over 3 years ago
liz "Hi @fongvania, what an important and enormous question you've opened here! Could you put a finer point on it? Otherwise, we could write a book for ..." | Read more » over 3 years ago
gkb "BASIC INFORMATION Project Name Project Objective (qualitative, quantitative, both) Media to be measured (Air, Water, Land, combo, people’s opinions..." | Read more » over 7 years ago
gretchengehrke "I like this idea a lot, @DavidMack. One thing we've been talking about on staff is developing a sort of environmental monitoring guide, one sectio..." | Read more » about 9 years ago
DavidMack "The topic is kind of overwhelming when you think of all the possibilities but maybe one model would be to start compiling how different METHODS wer..." | Read more » about 9 years ago
liz "Thanks for bringing this together @gretchengehrke and @shannon and many others. This is going to really help the "Tool Page Standardization" effort..." | Read more » about 9 years ago
gretchengehrke "@warren, I definitely agree that the idea of a centralized committee would be at odds with democratization of science. I was envisioning something..." | Read more » about 9 years ago
warren "Great post. I have lots of thoughts on this, some of which we've discussed already, but I first wanted to say that in an open source, community sci..." | Read more » about 9 years ago
WhiteRabbit "Great post. It's also worth mentioning how temperature might affect water conductivity measurements: see comment under http://publiclab.org/notes..." | Read more » over 10 years ago
neilh20 "Hey Donblair - you've got some great posts. The above was from my experience - working with designing a simple water level measurement device. Real..." | Read more » over 10 years ago
donblair "Thanks, Neil -- this will be a great document to reference, going forward! The water depth measurement, and use of ruler as a an accessible standa..." | Read more » over 10 years ago